WordReference Random House Unabridged Dictionary of American English © 2026
back•sight
(bak′sīt′),USA pronunciation n. [Survey.]
- Surveyinga sight on a previously occupied instrument station.
- Surveying(in leveling) the reading on a rod that is held on a point of known elevation, used in computing the elevation of the instrument.
- back2 + sight 1840–50
'backsight' also found in these entries (note: many are not synonyms or translations):